国产无遮挡又黄又爽在线视频,国产亚洲成AV人片在线观看,伊伊人成亚洲综合人网7777,中文有码vs无码人妻

×

YT040 dynamic perforation tester for geotextiles

Video
Gallery
360°Show
×
×
×
Applicable scope
Test principles and standards
Instrument characteristics
Configuration list

Used for testing the steel cone penetration of resistance of various geotechnical materials from fixed height, in order to characterize the resistance of geotechnical materials to rock.

JTG E 50、ISO/DIS 13433、GB/T 17630